​Jacob Butterfield has featured in 14 of Scunthorpe’s 15 National League games this season [Getty Images]Scunthorpe have placed player-coach Jacob Butterfield and defender Ross Barrows in interim charge of the team.The Iron sacked Andy Butler on Wednesday after a 4-1 defeat at Tamworth left them five points adrift of safety in the National League and confirmed on Thursday his assistant John Schofield had also been relieved of his duties.Veteran midfielder Butterfield, 36, returned for a second spell with the club in the summer and also joined Butler’s coaching staff.He will lead the side alongside Barrows, 28, in Saturday’s Lincolnshire derby against Boston.